28628174 has 8 divisors (see below), whose sum is σ = 45202440. Its totient is φ = 13560696.

The previous prime is 28628143. The next prime is 28628177. The reversal of 28628174 is 47182682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 753373 = 28628174 / (2 + 8 + 6 + 2 + 8 + 1 + 7 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28628177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376649 + ... + 376724.

It is an arithmetic number, because the mean of its divisors is an integer number (5650305).

Almost surely, 2^28628174 is an apocalyptic number.

28628174 is a deficient number, since it is larger than the sum of its proper divisors (16574266).

28628174 is a wasteful number, since it uses less digits than its factorization.

28628174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753394.

The product of its digits is 43008, while the sum is 38.

The square root of 28628174 is about 5350.5302540963. The cubic root of 28628174 is about 305.9129645530.

The spelling of 28628174 in words is "twenty-eight million, six hundred twenty-eight thousand, one hundred seventy-four".